Tobacco – Smoke separator or treater – By chemical reaction – e.g. – ion-exchange – chelating,...
Patent
1990-07-20
1993-08-31
Millin, V.
Tobacco
Smoke separator or treater
By chemical reaction, e.g., ion-exchange, chelating,...
131331, 131359, A24D 118
Patent
active
052400140
ABSTRACT:
An improved carbonaceous heat source suitable for use in a smoking article is provided. The heat source is formed by mixing a carbon component, a catalytic precursor and a binder, forming the mixture into a shape, and supplying heat to the mixture. Upon combustion of the heat source, the catalytic precursor forms a catalyst that converts carbon monoxide produced during combustion of the heat source into a benign substance.
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Kojima et al., "Catalysis by Transition Metal Carbides", Jol. of Catalysis, 73, pp. 128-135 (1982).
Imamura et al., "Oxidation of Carbon Monoxide Catalyzed by Manganese--Silver Composite Oxides", Jol. of Catalysis, 109, pp. 198-205 (1988).
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Chapter 6 "Removal Of Carbon Monoxide", pp. 97-117, Catalyst Handbook, Wolfe Scientific Books London (1970).
Deevi Seetharama C.
Hajaligol Mohammad R.
Kellogg Diane S.
Waymack Bruce E.
Doyle J.
Gross Marta E.
Guiliano Joseph M.
Millin V.
Philip Morris Incorporated
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